CN201553747U - Vanadium-titanium high-titanium slag metal iron recycling device - Google Patents
Vanadium-titanium high-titanium slag metal iron recycling device Download PDFInfo
- Publication number
- CN201553747U CN201553747U CN2009202760437U CN200920276043U CN201553747U CN 201553747 U CN201553747 U CN 201553747U CN 2009202760437 U CN2009202760437 U CN 2009202760437U CN 200920276043 U CN200920276043 U CN 200920276043U CN 201553747 U CN201553747 U CN 201553747U
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- Prior art keywords
- slag
- blast furnace
- retrieving arrangement
- notch
- metallic iron
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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- Blast Furnaces (AREA)
Abstract
The utility model discloses a vanadium-titanium high-titanium slag metal iron recycling device which his arranged in an inclined lower slag main ditch, and is a box body structure built by fire-resistant materials, one end of the box body structure is provided with a slag inlet, the other opposite end is provided with a slag outlet, the surface of the slag outlet is provided with a buffer ridge formed by yellow sand, one side of the box body is provided with a big valve formed by steel plates, and the bottom of the big valve is provided with an iron outlet. The vanadium-titanium high-titanium slag metal iron recycling device has simple structure and flexible arrangement, and can effectively recycle metal iron in vanadium-titanium high-titanium slag.
Description
Technical field
The utility model relates to a kind of retrieving arrangement of blast furnace slag metallic iron.More particularly, the present invention relates to a kind of device that from the vanadium titanium blast furnace slag, reclaims metallic iron.
Background technology
When utilizing common iron ore to carry out blast-furnace smelting, because the blast furnace slag temperature of fusion is low, viscosity is low, good fluidity, so band iron amount is few in the blast furnace slag, be generally 2%～3%, only account for about 30% of the total iron loss vector of blast furnace, therefore, generally do not reclaim the iron in the blast furnace slag.Yet, when utilizing vanadium titano-magnetite to carry out blast-furnace smelting, because the TiO in the slag
2Too high levels causes slag temperature of fusion height, viscosity height, mobile poor, so band iron amount is many in the slag, be generally 6%～8% during the normal working of a furnace, be generally about 10% during working of a furnace difference, sometimes even surpass 10%, account for 60%～80% of the total iron loss vector of blast furnace, caused huge iron loss.In addition, if band iron amount is too much in the slag, slag enter slag irritate in the time, the pyritous metallic iron can damage slag and irritate, and shortens the work-ing life that slag is irritated, and burns out railway so that can not join normally that slag is irritated and influence is normally tapped a blast furnace thereby burn slag filling and tank car when serious.Therefore, when utilizing vanadium titano-magnetite to carry out blast-furnace smelting, the metallic iron in the blast furnace slag is reclaimed.
The structure of the blast furnace slag metallic iron retrieving arrangement that adopts is for being provided with the heavy iron hole of a circle in following slag tap drain at present, and its degree of depth is lower than the slag runner bottom.When flow through this molten iron of blast furnace slag is deposited in the hole in when hole, slag tap will cheat again after finishing in molten iron emit, thereby the recovery metallic iron.But this device can only reclaim a small amount of macrobead metal iron shot, so the metallic iron rate of recovery in the slag is very low.Publication number is the retrieving arrangement that the Chinese utility model patent of CN201220946Y discloses a kind of vanadium titanium blast furnace slag metallic iron, the bottom of the box type construction of this retrieving arrangement is the inclined-plane that a direction flows to, and this retrieving arrangement is equipped with blowing device, therefore it can reclaim the metallic iron in the blast furnace slag effectively, but owing to its complex structure, cost height, and the restriction that is subjected to table place and hot environment makes its layout dumb, so practicality and operability are not strong.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned existing vanadium titanium blast furnace slag metallic iron retrieving arrangement, provide a kind of simple in structure, be suitable for practicality and can reclaim the retrieving arrangement of metallic iron in the vanadium titanium blast furnace slag effectively.
The vanadium titanium blast furnace slag metallic iron retrieving arrangement that the utility model provides, it is the body structure of building by laying bricks or stones by refractory materials, be arranged in the following slag tap drain of inclination, the surface of one end of this body structure is provided with a slag inlet, the surface of the other end relative with it is provided with a slag notch, and the surface of slag notch is provided with by what yellow sand formed and is higher than slag notch and is lower than the buffering rib of slag tap drain sidewall down; One side of body structure is provided with the big lock of slag tap drain sidewall under being higher than that is formed by steel plate, and the bottom of big lock is provided with iron notch.Wherein, one side of described big lock inwall has been built refractory materials by laying bricks or stones, described body structure is the upper space area greater than the contraction-like and bottom of lower space area is the planar body structure, the bottom surface of the surface of described slag inlet and described slag notch and following slag tap drain is on same inclined-plane, and described slag inlet is identical with the inboard width of following slag tap drain with described slag notch.
By top description as can be seen, simple in structure being easy to of the present utility model arranged, and can make the vanadium titanium blast furnace slag form eddy current by the buffering rib that yellow sand forms, thereby the flow velocity of the blast furnace slag that slowed down and strengthened agitating function, make metallic iron that enough settling times be arranged, reach the purpose that reclaims metallic iron.
Description of drawings
Fig. 1 is the vertical view of retrieving arrangement.
Fig. 2 is the sectional view along the retrieving arrangement of the A-A intercepting of Fig. 1.
Fig. 3 is the sectional view along the retrieving arrangement of the B-B intercepting of Fig. 1.
Among the figure: the 1-slag inlet, 2-cushions rib, the 3-iron notch, the big lock of 4-, 5-molten iron collection pit, the 6-slag is irritated
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail.
For the blast furnace slag that is beneficial to down in the slag tap drain flows out, following slag tap drain is designed to have certain gradient on the whole, and this is a common practise to those of ordinary skill in the art, promptly is arranged on according to retrieving arrangement of the present utility model in the following slag tap drain of this inclination.
Referring to figs. 1 through Fig. 3, this retrieving arrangement is that the upper space area that is arranged in the following slag tap drain of inclination is the planar body structure greater than the contraction-like and bottom of lower space area, one end of casing be provided with one with following slag tap drain inboard with wide slag inlet 1, the other end relative with it be provided with one with following slag tap drain inboard with wide slag notch (cushion rib 2), the surface of slag notch is provided with buffering rib 2, one side of body structure is provided with and is higher than the big lock 4 of slag tap drain sidewall down, and the bottom of big lock 4 is provided with iron notch 3.Wherein, the bottom surface of the surface of slag inlet 1 and slag notch and following slag tap drain is on same inclined-plane.In the present embodiment, the casing part under the following slag tap drain bottom is formed by fire-resistant ditch material, and the casing part on the following slag tap drain bottom is formed by refractory brick; Buffering rib 2 a little higher than slag notches are surperficial and be lower than the sidewall of slag tap drain down, formed by yellow sand; Big lock 4 is formed by steel plate; One side of big lock 4 inwalls has been built fire-resistant ditch material by laying bricks or stones.
The vanadium titanium blast furnace slag is in the process that flows out retrieving arrangement, owing on slag notch, be provided with buffering rib 2, make a part of vanadium titanium blast furnace slag run into buffering rib 2 back backflow formation eddy current, thereby generation stirring action, the sedimentation of metallic iron and the come-up of vanadium titanium blast furnace slag have been promoted, and slowed down the flow velocity of blast furnace slag, make the metallic iron in the blast furnace slag that the competent settling time be arranged, and, the vanadium titanium blast furnace slag of continuous accumulation can successfully be flowed out from the buffering rib 2 that is arranged on the slag notch because the following slag tap drain that tilts gives the vanadium titanium blast furnace slag of the continuous accumulation in the retrieving arrangement with power; One side of casing is provided with the big lock 4 that is formed by steel plate, can stop effectively that slag diffuses out retrieving arrangement and helps the repairing of retrieving arrangement; This body structure is that the top area is the contraction-like structure of planar greater than bottom area and bottom, and this makes at blast furnace and finishes the back of slagging tap when emitting the molten iron of collection by iron notch 3, and molten iron can flow out fully; In addition, the surface of slag inlet 1 and slag notch is arranged on the same inclined-plane with the bottom surface of following slag tap drain, and be set to identical with the inboard width of following slag tap drain, make this device by under the basal surface of following slag tap drain, forming body structure along following slag tap drain inwall, therefore this retrieving arrangement is easy to arrange, also makes the vanadium titanium blast furnace slag that comes out from blast furnace can enter retrieving arrangement smoothly.
During recovery, before blast furnace casting, with yellow sand iron notch 3 is blocked earlier, during blast furnace casting, the vanadium titanium blast furnace slag that is mingled with a large amount of metallic irons enters retrieving arrangement, metallic iron sedimentation in retrieving arrangement, vanadium titanium blast furnace slag come-up, the blast furnace slag of come-up finally enters slag via the buffering rib 2 that is provided with on the slag notch and irritates 6; After blast furnace casting is finished and after slag flows out from slag notch, iron notch 3 is disclosed out, settled metallic iron in the retrieving arrangement is entered molten iron collection pit 5 recovery metallic irons by iron notch 3 with little oxygen hose.Realized the continuous recovery of metallic iron in the process of at every turn tapping a blast furnace by above-mentioned process.
By top description as seen, simple in structure according to the retrieving arrangement of present embodiment, flexible arrangement, and can both be effectively in the process of at every turn tapping a blast furnace and reclaim metallic iron in the vanadium titanium blast furnace slag continuously.
Claims (6)
1. vanadium titanium blast furnace slag metallic iron retrieving arrangement, the body structure of building by laying bricks or stones by refractory materials, it is characterized in that this retrieving arrangement is arranged in the following slag tap drain of inclination, the surface of one end of this body structure is provided with a slag inlet, the surface of the other end relative with it is provided with a slag notch, and the surface of slag notch is provided with the buffering rib; One side of casing is provided with big lock, and the bottom of big lock is provided with iron notch.
2. vanadium titanium blast furnace slag metallic iron retrieving arrangement as claimed in claim 1, the surface that it is characterized in that described slag inlet and described slag notch and the bottom surface of following slag tap drain are on same inclined-plane, and described slag inlet is identical with the inboard width of following slag tap drain with described slag notch.
3. vanadium titanium blast furnace slag metallic iron retrieving arrangement as claimed in claim 1 is characterized in that described buffering rib is formed by yellow sand and is higher than slag notch and is lower than the down sidewall of slag tap drain.
4. vanadium titanium blast furnace slag metallic iron retrieving arrangement as claimed in claim 1 it is characterized in that described big lock is higher than the sidewall of slag tap drain down, and described big lock is formed by steel plate.
5. vanadium titanium blast furnace slag metallic iron retrieving arrangement as claimed in claim 1 is characterized in that a side of described big lock inwall has been built refractory materials by laying bricks or stones.
6. vanadium titanium blast furnace slag metallic iron retrieving arrangement as claimed in claim 1, it is characterized in that described body structure be the upper space area greater than the lower space area, and the bottom is the contraction-like body structure of planar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202760437U CN201553747U (en) | 2009-12-08 | 2009-12-08 | Vanadium-titanium high-titanium slag metal iron recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202760437U CN201553747U (en) | 2009-12-08 | 2009-12-08 | Vanadium-titanium high-titanium slag metal iron recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201553747U true CN201553747U (en) | 2010-08-18 |
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ID=42613421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202760437U Expired - Lifetime CN201553747U (en) | 2009-12-08 | 2009-12-08 | Vanadium-titanium high-titanium slag metal iron recycling device |
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| CN (1) | CN201553747U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433408A (en) * | 2011-12-14 | 2012-05-02 | 宝钢工程技术集团有限公司 | Safety shutoff value device for on-line interception of high-temperature fused slag |
| CN109097513A (en) * | 2018-10-31 | 2018-12-28 | 攀钢集团攀枝花钢铁研究院有限公司 | A kind of blast-furnace slag iron liquid recyclable device and method |
-
2009
- 2009-12-08 CN CN2009202760437U patent/CN201553747U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433408A (en) * | 2011-12-14 | 2012-05-02 | 宝钢工程技术集团有限公司 | Safety shutoff value device for on-line interception of high-temperature fused slag |
| CN109097513A (en) * | 2018-10-31 | 2018-12-28 | 攀钢集团攀枝花钢铁研究院有限公司 | A kind of blast-furnace slag iron liquid recyclable device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100818 |
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| CX01 | Expiry of patent term |